Other Parts Discussed in Thread: LM25085A , LM25085 Hi, ive problem with webench....it switch between lm25085 and lm25085A.
My question is, What is differents in design between lm25085 and lm25085A ?....only in Rfb1 and Rfb2...for different in Vref ?
And…
Hi,
Unfortunately i could not find an excel calculator for this part. I only see a PSPICE model for the part.
Would you like to consider LM25085 instead? The part seem to have a quick start calculator. You can see at the bottom of the page link below …
Hello Ivan,
The LM3489 is not supported by WEBENCH. The best resource will be the spice models which are available in the product folder.
The second option would be to consider the LM25085A which is also a PFET controller and WEBENCH is enabled.
Best…
I have tested a LM2677, same result: It doesn't have 24V and 5A at the same time in output. My supposition TI doesn't have any switching regulator which have integrated MOSFET who can have more than 15V and 5A in output. My next step is to test a…
David:
Just read the LM25085A data sheet. That part is what we are using and it does indicate FB V=.9 Made a call to the guy who purchased.
Board layout for WSON package. Digikey no stock. Bought from Mouser. Not sure why purchased LM25085A…
Ajesh,
If you need to go down to 1.2V, you may want to consider a Step down controller such as the LM25085A or if you are looking for something with an integrated switch, then I would suggest looking at the TPS54540 or other similar devices in this parametric…
Other Parts Discussed in Thread: LM25085A We are testing a circuit designed with webench using the LM25085A. Vin 13.5-16V, Vout 12V, 5A. The circuit will pass through V when it is turned on but does not appear to be regulating. For example if we supply…
John's suggestions are good integrated FET switchers. Another alternative that operates at a true 100% duty cycle in dropout is the LM25085A PFET controller. A PFET does not require a bootstrap capacitor for gate drive so there is no need to turn of…
Other Parts Discussed in Thread: TPS54418 , LM25085 , LM25085A Hi,
i use WEBENCH, but when I print, it dosent save my design....and print original design without my BOM changed
WHy ?
Thanks